... plate caster with brake wheel material:PP, PU, PVC Dia.:40mm,50mm,63mm brake by customized light-duty electrophoresis top plate caster with ... brake1.Housing: made of pressed steel, electrophoresis rim, double ballrace swivel head2.Dia.:40mm,50mm, ... customized casters or more details, please contact us with your requirement. light-duty caster with brake